FUNDAMENTALS OF COMPUTER

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SYSTEMS DEVELOPMENT ANALYSIS

APPLICATION DEVELOPMENT PROCESSES

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
An on-premises WebLogic Server domain consists of two clusters. You plan to useAppToCloud to migrate both dusters to Oracle Cloud, Which two migration approaches aresupported and will achieve this goal?
A
Export all clusters together, and then provision a single Java Cloud Service Instance along with amanaged load balancer.
B
Export each cluster separately, and then provision two Java Cloud Service Instances.
C
Export each cluster separately, and then provision a single Java Cloud Service Instance thatIncludes a Coherence data grid.
D
Delete one duster, export the remaining cluster, and then provision two Java Cloud ServiceInstances.
Explanation: 

Detailed explanation-1: -Zero Downtime Migration requires that you use Object Storage Service (OSS), Zero Data Loss Recovery Appliance (ZDLRA), or a Network File System (NFS) as the intermediate backup medium to migrate on-premises databases to Oracle Exadata Cloud at Customer environments.

Detailed explanation-2: -On the on-premises database host, invoke Data Pump Export ( expdp ) and export the on-premises database. Create a new Oracle Database Cloud Service. Connect to the Oracle Database Cloud Service compute node and then use a secure copy utility to transfer the dump file to the Oracle Database Cloud Service compute node.

Detailed explanation-3: -The resources usually are migrated in one of the following three ways: On-premises migration: From on-premises data centers to public clouds. Cloud-to-cloud migration: From one cloud provider’s platform to another cloud provider’s platform.

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